Leroy Williams Jr. (born October 13, 1972), known by his stage name Mr. Lee, is an American record producer, recording engineer, musician,and entrepreneur. He is the founder and current CEO of Xclusive Music Group and Noddfactor Productions. He has produced albums for and overseen the careers of many rappers, including Slim Thug, Paul Wall, 2pac, Bun B, Scarface, and Iggy Azalea. He is credited as a key figure in the popularization of Houston music, a style of rap music characterized as synthesizer-based with slow, heavy beats.
Mr Lee began his career as a producer for Rap-A-Lot Records.His production landed him with platinum and gold albums the second year of his career. Mr Lee became the work horse for Rap-A-Lot Records going thru three 40 song contracts in less than 2 years. He later found fame with his influential production producing stand out records with Slim Thug which Mr. Lee contributed to Slim Thug landing a major deal with Interscope. His production would later be labeled as the sound of Houston. In 2013 he founded XMG Music with his artist and Co-Ceo Shaun Morrow were he later signed Houston artist Z-ro. In June 24, 2014 he released Z-ro album The Crown which was the first release from his label.